Question 1191977
Here's how to calculate the simple index number:

1. **Identify the base year and the comparison year:** The base year is 2018, and the comparison year is 2021.

2. **Use the formula:** Simple Index Number = (Value in comparison year / Value in base year) * 100

3. **Plug in the values:** Simple Index Number = (174,132 / 148,519) * 100

4. **Calculate:** Simple Index Number ≈ 117.25

So the answer is D. 117.25